National Museum of Nuclear Science & History
Theodore Perlman was an American engineer working at the Los Alamos laboratory during the Manhattan Project.
Gerth worked in the United States Engineer District Office.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.
